Improve clip thumbnailing performance when scrolling/zooming the timeline
Only commit clip thumbnails once they're done processing
Subclass TimelineElement in ClipElement and TransitionElement
Fix the handling of title clips in the timeline
Make actions sensitive on selection changed
Re-enables snapping. Also disconnect from signals when needed.
Update Stage Width according to timeline duration
Remove unused imports, and separate elements and previewers from the timeline code
Code is now clean and consistent, and logically split in different files
Remove obsolete View and Controller classes
Update Makefile.am to take additions into account
Reimplement layer removal in the Clutter timeline
Make the default interval of positionListener shorter
Save resources by only drawing the visible thumbs
Fix the Thumbnails if a clip is used more than once
Add thumbnail opacity transition
Extract ghostclip from ClipElement.
Drag and drop support from the media library.
Hookup the expanders to the timeline stage which now holds the selection
Drag and drop is functionnal once again from the effectslist